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36 Operation principle and hardware description
Control panel [A59]
￭
With the control panel, the user can:
•
start and stop the unit
•
view and reset the fault and warning messages, and view the fault history
•
view actual signals
•
change parameter settings
•
change between local (control panel) and remote (external device) control.
To be able to start and stop the unit by the control panel, the Run enable signal and
Start enable signal must be on (1) on the supply control unit. Normally, this is the case
when the operating switch [S21] on the cabinet door is in ENABLE/RUN (1) position.
The control mode selection on the control panel must also be Local. The Loc/Rem key
of the panel selects between the local and remote control modes.
PC connection
￭
User can connect a PC to the drive through the USB connector on the front of the
control panel. When PC is connected to the control panel, the control panel keypad is
disabled. To communicate with the drive, the PC must have a suitable drive PC tool
installed (for example, Drive Composer).
Fieldbus control
￭
If the drive, or a unit of a drive (supply, inverter, etc.) is equipped with an optional
fieldbus adapter, it is possible to control the drive or unit through a fieldbus. There
are many fieldbus adapter types available.
Cooling system
See chapter
Internal cooling
Coolant connectors
￭
Frame R7i: The coolant pipe inlet and outlet connectors are located at the bottom
front and top front of the module respectively. The connectors are for 16/13 millimeter
PA (polyamide) pipe.
Frame R8i: The coolant pipe inlet and outlet connectors are located at the bottom
front of the module. The connectors are for 16/13 millimeter PA (polyamide) pipe.
WARNING!
For a reliable connection, the end of the pipe entering the connector must be
completely intact for a length of at least 5 cm (2 in). Make sure the pipe is
perfectly round where it enters the connector, and not deformed eg. by any
bends nearby. The piping must not exert any tension or torque on the connector.
circuit.
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